0.40 Carat Natural Black diamond Round Pendant Necklace in 14K Rose,White & Yellow Gold. This pendant necklace contains 39 round black diamonds with a total weight of 0.40 carat . The color and clarity of diamond is Black and SI1-SI2. Metal weight of this pendant necklace is 0.95 grams. This pendant necklace comes with a 925 sterling silver chain.